JTable的排序和过滤

Posted 2022-08-26 yunshouhu

package com.yunshouhu.demo;

import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableRowSorter;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class JTableTester 
    static String data[][] = 
            "China","Beijing","Chinese",
            "America","Washington","English",
            "Korea","Seoul","Korean",
            "Japan","Tokyo","Japanese",
            "France","Paris","French",
            "England","London","English",
            "Germany","Berlin","German",
    ;
    static String titles[] = "Country","Capital","Language";
    public static void main(String[] args) 
        DefaultTableModel model = new DefaultTableModel(data,titles);
        JTable jTable = new JTable(model);
        final TableRowSorter sorter = new TableRowSorter(model);
        jTable.setRowSorter(sorter); //为JTable设置排序器

        JScrollPane sPane = new JScrollPane();
        sPane.setViewportView(jTable);

        JPanel panel = new JPanel();
        panel.setLayout(new BoxLayout(panel,BoxLayout.X_AXIS));
        JLabel label = new JLabel("Criteria:");
        final JTextField jTextField = new JTextField();
        JButton button = new JButton("Do Filter");
        panel.add(label);
        panel.add(jTextField);
        panel.add(button);
        button.addActionListener(new ActionListener() 
            public void actionPerformed(ActionEvent e) 
                if(jTextField.getText().length()==0)
                    sorter.setRowFilter(null);
                else
                    sorter.setRowFilter(RowFilter.regexFilter(jTextField.getText()));//为JTable设置基于正则表达式的过滤条件
                
            
        );

        JFrame f = new JFrame("JTable Sorting and Filtering");
        f.getContentPane().add(sPane, BorderLayout.CENTER);
        f.getContentPane().add(panel,BorderLayout.SOUTH);
        f.setSize(400,300);
        f.setLocationRelativeTo(null);
        f.setVisible(true);
    

//运行上面程序，单击JTable的某一个title，这个title对应的列就会按照升序/降序重新排列；在下面的Criteria文本框中输入"ese"，点击"Do Filter"按钮，JTable将只显示带有"ese"字符串的行，也就是China和Japan两行，如果文本框里面什么都没有，点击"Do Filter"按钮，这时JTable会显示所有的行。